DOI QR코드

DOI QR Code

Energy transfer and photon avalanche in Tm3+:LaF3

  • Yoo, Mi-Oh (Department of Physics, Chungbuk National University) ;
  • Lim, Ki-Soo (Department of Physics, Chungbuk National University)
  • 투고 : 1997.02.05
  • 발행 : 1997.03.01

초록

Single pulse laser excitation at 656 nm and successive pulse excitation at 635.2 and 648.4 nm produced blue emission at 480 nm by two-step upconversion process in Tm/sup 3+/:LaF/sub 3/. The excited-state absorption cross-section of the /sup 3/F/sub 4/ to /sup 1/G/sub 4/ transition was estimated by a looping mechanism with cross-relaxation processes. The dynamics of up-conversion andthe possibility of the photon avalanche by a pulse laser excitation were studied by numerical simulation with the rate equation model.

키워드

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피인용 문헌

  1. Optical characterization of Tm 3+ in LaF 3 single crystal vol.82, 2017, https://doi.org/10.1016/j.infrared.2017.02.012